The horizontal pressure gradient is given as 





- c)5 ^ op 



^y) 





The boundary conditions [4) determine C-^ and C2 uniquely giving (See 

 Appendix I) 





Co3 



W ^h 





coslo ySTh 



Surface currents are now given from (5) as 



Wo = 



lA^ 



7 ^- 



^.3|£)UkV¥^ 



C5) 



+ ffJ'- ^^-^^^^) 





